:root{
  --paper:#F2EFE9;
  --grid:#E1DCD2;
  --card:#FFFFFF;
  --line:#D8D2C6;
  --ink:#12161C;
  --ink-2:#3A4048;
  --muted:#6B7280;
  --blue:#1B6BFF;
  --blue-100:#E7EEFF;
  --green:#28A36A;
  --green-100:#E4F4EC;
  --coral:#E2453C;
  --coral-100:#FCEAE8;
  --amber:#F2A03D;
  --amber-100:#FDF1E1;
  --chip:#ECE7DD;
  --r:14px;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  min-height:100vh;
  padding-bottom:104px;
  font-family:'IBM Plex Sans Arabic',system-ui,-apple-system,'Segoe UI',Tahoma,sans-serif;
  font-size:15px;
  line-height:1.6;
  color:var(--ink);
  background-color:var(--paper);
  background-image:
    linear-gradient(to right, var(--grid) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid) 1px, transparent 1px);
  background-size:26px 26px;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,p,ul,ol,li{margin:0;padding:0}
ul,ol{list-style:none}
button,input,pre{font-family:inherit;font-size:inherit;color:inherit}
button{cursor:pointer;border:0;background:none;-webkit-tap-highlight-color:transparent;user-select:none;touch-action:manipulation}
.num{font-variant-numeric:tabular-nums}
.mono{font-family:'IBM Plex Mono',ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.03em}
.hidden{display:none !important}

/* ---------- top bar ---------- */
.topbar{
  max-width:1180px;margin:0 auto;padding:16px 16px 8px;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.brand{display:flex;align-items:center;gap:10px;min-width:0}
.brand-mark{
  width:38px;height:38px;flex:0 0 auto;border-radius:11px;
  display:grid;place-items:center;
  background:var(--card);border:1px solid var(--line);box-shadow:0 2px 0 var(--line);
  color:var(--blue);
}
.brand-mark svg{width:21px;height:21px}
.brand-txt{min-width:0}
.brand-txt h1{font-size:17px;font-weight:700;line-height:1.25;letter-spacing:0}
.brand-txt p{font-size:11.5px;color:var(--muted);line-height:1.35;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  min-height:44px;padding:0 16px;border-radius:11px;
  font-size:14px;font-weight:600;line-height:1;
  border:1px solid transparent;transition:transform .15s ease, background .15s ease, box-shadow .15s ease;
}
.btn svg{width:16px;height:16px}
.btn-primary{background:var(--blue);color:#fff;border-color:#0F55D6;box-shadow:0 2px 0 #0F55D6}
.btn-primary:hover{background:#1660E8}
.btn-primary:active{transform:translateY(2px);box-shadow:0 0 0 #0F55D6}
.btn-ghost{background:var(--card);color:var(--ink);border-color:var(--line);box-shadow:0 2px 0 var(--line)}
.btn-ghost:hover{background:#FBFAF6}
.btn-ghost:active{transform:translateY(2px);box-shadow:none}
.btn-danger{background:var(--card);color:var(--coral);border-color:var(--line);box-shadow:0 2px 0 var(--line)}
.btn-danger:hover{background:var(--coral-100);border-color:#F3B5B0}
.btn-danger:active{transform:translateY(2px);box-shadow:none}
.btn-sm{min-height:38px;padding:0 12px;font-size:13px;border-radius:10px}
.btn-wide{width:100%}
.btn:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--blue);outline-offset:2px}
.btn[disabled]{opacity:.55;pointer-events:none}

.icon-btn{
  width:40px;height:40px;flex:0 0 auto;border-radius:10px;display:grid;place-items:center;
  background:#FBFAF6;border:1px solid var(--line);color:var(--ink-2);
}
.icon-btn:hover{background:var(--chip)}
.icon-btn svg{width:17px;height:17px}

/* ---------- layout ---------- */
.wrap{max-width:1180px;margin:0 auto;padding:0 16px}
.banner{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  background:var(--amber-100);border:1px solid #F2D6AC;border-radius:12px;
  padding:10px 12px;margin-bottom:14px;font-size:13px;color:#7A4E12;
}
.banner-txt{flex:1 1 200px}

.layout{display:grid;grid-template-columns:minmax(0,1fr);gap:16px;align-items:start}
.col-main{display:flex;flex-direction:column;gap:16px;min-width:0}
.col-side{min-width:0}

.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r);
  box-shadow:0 2px 0 var(--line);padding:14px;
}
.card-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px}
.card-head h2{font-size:15px;font-weight:700;letter-spacing:0}
.pill{
  font-size:11.5px;font-weight:600;padding:3px 9px;border-radius:999px;
  background:var(--chip);color:var(--ink-2);white-space:nowrap;
}
.pill-soft{background:#F6F3EC;color:var(--muted);font-weight:500}
.pill.ok{background:var(--green-100);color:#1B7A4E}
.pill.warn{background:var(--amber-100);color:#8A5A12}
.pill.bad{background:var(--coral-100);color:#A52B23}

/* ---------- slots ---------- */
.slots{display:flex;flex-direction:column}
.slot{
  display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:10px;
  border-bottom:1px dashed var(--line);padding:6px 0;
}
.slot:last-child{border-bottom:0}
.slot-btn{
  display:flex;align-items:center;gap:10px;width:100%;text-align:start;
  padding:6px;border-radius:10px;min-height:52px;transition:background .15s ease;
}
.slot-btn:hover{background:#FBFAF6}
.slot-icon{
  width:40px;height:40px;flex:0 0 auto;border-radius:10px;display:grid;place-items:center;
  background:var(--chip);color:#8A8377;transition:background .15s ease,color .15s ease;
}
.slot-icon svg{width:20px;height:20px}
.slot.filled .slot-icon{background:var(--blue-100);color:var(--blue)}
.slot-main{display:flex;flex-direction:column;gap:3px;min-width:0}
.slot-label{font-size:11px;font-weight:600;color:var(--muted);letter-spacing:.02em}
.slot-part{font-size:14px;font-weight:600;color:var(--ink);line-height:1.35}
.slot:not(.filled) .slot-part{color:#9A9488;font-weight:500}
.chips{display:flex;flex-wrap:wrap;gap:4px;margin-top:1px}
.chip{
  font-size:10.5px;line-height:1.7;padding:0 6px;border-radius:5px;
  background:var(--chip);color:#4A5058;white-space:nowrap;
}
.chip.mono{text-transform:uppercase;letter-spacing:.05em;font-size:10px}
.slot-side{display:flex;flex-direction:column;align-items:flex-end;gap:4px}
.slot-price{font-size:14px;font-weight:700}
.slot-price.live{color:var(--green)}
.slot-cur{font-size:10px;color:var(--muted);line-height:1}
.slot-add{
  font-size:12px;font-weight:600;color:var(--blue);
  border:1px dashed #B9CBEE;background:var(--blue-100);border-radius:8px;padding:5px 10px;
}
.slot-actions{display:flex;gap:4px}
.mini-btn{
  width:34px;height:34px;border-radius:9px;display:grid;place-items:center;
  border:1px solid var(--line);background:#FBFAF6;color:var(--ink-2);
}
.mini-btn:hover{background:var(--chip)}
.mini-btn.danger:hover{background:var(--coral-100);border-color:#F3B5B0;color:var(--coral)}
.mini-btn svg{width:15px;height:15px}

/* ---------- rig ---------- */
.rig-card{position:static}
.rig-wrap{
  width:100%;aspect-ratio:320 / 380;max-height:420px;
  background:#FBFAF6;border:1px solid var(--line);border-radius:12px;overflow:hidden;
}
#rigCanvas{display:block;width:100%;height:100%;touch-action:manipulation}
.strip{
  display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:10px;
}
.strip-item{
  background:#FBFAF6;border:1px solid var(--line);border-radius:10px;
  padding:7px 8px;display:flex;flex-direction:column;gap:1px;min-width:0;
}
.strip-k{font-size:10.5px;color:var(--muted);line-height:1.3}
.strip-v{font-size:13.5px;font-weight:700;line-height:1.3;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.strip-v.ok{color:var(--green)}
.strip-v.warn{color:#B87817}
.strip-v.bad{color:var(--coral)}
.rig-hint{font-size:11.5px;color:var(--muted);margin-top:8px;text-align:center}

/* ---------- perf ---------- */
.perf-row{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:10px;margin-bottom:9px}
.perf-res{font-size:11px;font-weight:600;color:var(--muted);text-transform:uppercase;min-width:44px}
.bar{height:9px;background:#EFEBE2;border-radius:999px;overflow:hidden}
.bar i{display:block;height:100%;border-radius:999px;background:var(--blue);transition:width .3s ease,background .3s ease}
.bar i.ok{background:var(--green)}
.bar i.warn{background:var(--amber)}
.bar i.bad{background:var(--coral)}
.perf-fps{font-size:13.5px;font-weight:700;min-width:38px;text-align:end}
.perf-fps.ok{color:#1B7A4E}
.perf-fps.warn{color:#B87817}
.perf-fps.bad{color:var(--coral)}
.perf-fps small{font-size:10px;font-weight:500;color:var(--muted)}

.stab-box{margin-top:14px;padding-top:12px;border-top:1px dashed var(--line)}
.stab-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:7px}
.stab-head span:first-child{font-size:12.5px;font-weight:600;color:var(--ink-2)}
.stab-val{font-size:18px;font-weight:700}
.stab-val small{font-size:11px;color:var(--muted);font-weight:500}
.notes{margin-top:10px;display:flex;flex-direction:column;gap:6px}
.note{display:flex;gap:7px;font-size:12.5px;line-height:1.5;color:var(--ink-2)}
.note .dot{width:7px;height:7px;border-radius:50%;flex:0 0 auto;margin-top:6px;background:var(--muted)}
.note.bad .dot{background:var(--coral)}
.note.warn .dot{background:var(--amber)}
.note.ok .dot{background:var(--green)}
.empty{font-size:13px;color:var(--muted);padding:6px 0}

/* ---------- compat ---------- */
.crow{display:flex;gap:9px;align-items:flex-start;padding:8px 0;border-bottom:1px dashed var(--line);font-size:13px;line-height:1.55}
.crow:last-child{border-bottom:0}
.crow-ic{
  width:20px;height:20px;flex:0 0 auto;border-radius:6px;display:grid;place-items:center;
  font-size:11px;font-weight:700;margin-top:1px;
}
.crow.bad .crow-ic{background:var(--coral-100);color:#A52B23}
.crow.warn .crow-ic{background:var(--amber-100);color:#8A5A12}
.crow.ok .crow-ic{background:var(--green-100);color:#1B7A4E}
.crow-txt{min-width:0;color:var(--ink-2)}
.rule-count{font-size:11.5px;color:var(--muted);margin-top:10px}

/* ---------- bottom bar ---------- */
.bottombar{
  position:fixed;inset-inline:0;bottom:0;z-index:40;
  background:rgba(255,255,255,.94);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border-top:1px solid var(--line);
  padding:8px 12px;
}
.bb-inner{
  max-width:1180px;margin:0 auto;display:flex;align-items:center;gap:12px;justify-content:space-between;
}
.bb-total{display:flex;flex-direction:column;gap:0;min-width:0}
.bb-label{font-size:10.5px;color:var(--muted);line-height:1.3}
.bb-amount{display:flex;align-items:baseline;gap:4px;line-height:1.15}
.bb-amount .num{font-size:clamp(26px,7.2vw,40px);font-weight:700;letter-spacing:-.01em}
.bb-cur{font-size:12px;color:var(--muted);font-weight:500}
.bb-amount.pulse{animation:pulseA .42s ease}
@keyframes pulseA{0%{transform:scale(1)}40%{transform:scale(1.05)}100%{transform:scale(1)}}
.bb-stats{display:flex;gap:14px;margin-inline-start:auto}
.bb-stat{display:flex;flex-direction:column;align-items:center;line-height:1.25}
.bb-stat .num{font-size:13.5px;font-weight:700}
.bb-k{font-size:10px;color:var(--muted)}

/* ---------- overlays ---------- */
.overlay{
  position:fixed;inset:0;z-index:80;display:flex;align-items:flex-end;justify-content:center;
  background:rgba(18,22,28,.44);
}
.sheet{
  width:100%;max-width:600px;max-height:92vh;display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);
  border-radius:20px 20px 0 0;overflow:hidden;
  animation:sheetIn .22s ease-out;
  box-shadow:0 -8px 30px rgba(18,22,28,.16);
}
@keyframes sheetIn{from{transform:translateY(20px);opacity:.55}to{transform:none;opacity:1}}
.sheet-head{
  display:flex;align-items:flex-start;justify-content:space-between;gap:12px;
  padding:14px 16px 10px;border-bottom:1px solid var(--line);
}
.sheet-titles{min-width:0}
.eyebrow{font-size:10.5px;font-weight:600;color:var(--blue);letter-spacing:.02em;margin-bottom:2px}
.sheet-head h2{font-size:16px;font-weight:700;line-height:1.35}
.sheet-sub{font-size:11.5px;color:var(--muted);margin-top:2px}
.sheet-tools{padding:10px 16px 0}
.input{
  width:100%;min-height:44px;padding:0 12px;border-radius:11px;
  border:1px solid var(--line);background:#FBFAF6;color:var(--ink);
  font-size:15px;
}
.input::placeholder{color:#A09A8E}
.sheet-body{padding:12px 16px 20px;overflow-y:auto;-webkit-overflow-scrolling:touch}

.opt{
  display:flex;align-items:center;justify-content:space-between;gap:12px;width:100%;text-align:start;
  padding:11px 10px;border-radius:11px;border:1px solid transparent;
  transition:background .15s ease,border-color .15s ease;
}
.opt:hover{background:#FBFAF6;border-color:var(--line)}
.opt.sel{background:var(--blue-100);border-color:#B9CBEE}
.opt-main{display:flex;flex-direction:column;gap:3px;min-width:0}
.opt-name{font-size:14px;font-weight:600;line-height:1.35}
.opt-brand{font-size:10.5px;color:var(--muted)}
.opt-price{font-size:14px;font-weight:700;white-space:nowrap}
.opt-price small{font-size:10px;color:var(--muted);font-weight:500}
.opt-price.live{color:var(--green)}
.divider{height:1px;background:var(--line);margin:10px 0}

.state{display:flex;flex-direction:column;align-items:center;text-align:center;gap:10px;padding:22px 8px}
.state p{font-size:13.5px;color:var(--ink-2);line-height:1.6;max-width:34ch}
.state .state-title{font-size:14.5px;font-weight:700;color:var(--ink)}
.spinner{
  width:26px;height:26px;border-radius:50%;
  border:2.5px solid var(--chip);border-top-color:var(--blue);
  animation:spin .8s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}

.quote-box{
  border:1px solid #B9CBEE;background:var(--blue-100);border-radius:12px;padding:14px;
  display:flex;flex-direction:column;gap:10px;
}
.quote-box p{font-size:13px;line-height:1.6;color:#1A3A6B}
.quote-price{display:flex;align-items:center;gap:8px;font-size:13px;color:#1A3A6B}
.quote-price b{font-size:17px;font-weight:700}
.coin{color:#8A5A12;background:var(--amber-100);border-radius:999px;padding:2px 9px;font-size:11.5px;font-weight:700}
.row-btns{display:flex;gap:8px;flex-wrap:wrap}
.row-btns .btn{flex:1 1 120px}

.prices{display:flex;flex-direction:column;gap:8px}
.price-row{
  display:flex;align-items:center;justify-content:space-between;gap:10px;width:100%;text-align:start;
  border:1px solid var(--line);border-radius:11px;padding:10px;background:#FBFAF6;
  transition:border-color .15s ease, background .15s ease;
}
.price-row:hover{border-color:#B9CBEE;background:var(--blue-100)}
.pr-info{display:flex;flex-direction:column;gap:2px;min-width:0}
.pr-title{font-size:13px;font-weight:600;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.pr-src{font-size:11px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.pr-val{font-size:13.5px;font-weight:700;white-space:nowrap;color:var(--ink)}
.pr-note{font-size:11px;color:var(--muted);margin-top:10px;line-height:1.6}

.field-label{display:block;font-size:12px;font-weight:600;color:var(--muted);margin:14px 0 6px}
.field-label:first-child{margin-top:0}
.copy-row{margin-bottom:8px}
.summary{
  white-space:pre-wrap;word-break:break-word;
  font-family:'IBM Plex Sans Arabic',sans-serif;font-size:12.5px;line-height:1.8;
  background:#FBFAF6;border:1px solid var(--line);border-radius:11px;padding:12px;
  margin:0 0 10px;color:var(--ink-2);
}

.toast{
  position:fixed;left:50%;bottom:96px;transform:translateX(-50%);
  z-index:120;max-width:calc(100vw - 32px);
  background:var(--ink);color:#fff;font-size:13px;font-weight:500;
  padding:10px 16px;border-radius:11px;box-shadow:0 6px 20px rgba(18,22,28,.25);
  animation:toastIn .2s ease-out;
  text-align:center;
}
@keyframes toastIn{from{opacity:0;transform:translate(-50%,8px)}to{opacity:1;transform:translate(-50%,0)}}

/* ---------- responsive ---------- */
@media (min-width:900px){
  .layout{grid-template-columns:minmax(0,1.15fr) minmax(320px,.85fr);gap:20px}
  .col-side{position:sticky;top:16px}
  .overlay{align-items:center;padding:24px}
  .sheet{border-radius:20px;max-height:86vh}
  .card{padding:18px}
  body{padding-bottom:112px}
}

@media (max-width:899px){
  .col-side{order:-1}
  .rig-wrap{max-height:300px}
}

@media (max-width:430px){
  .wrap{padding:0 12px}
  .topbar{padding:12px 12px 6px}
  .brand-txt h1{font-size:15.5px}
  .brand-txt p{font-size:10.5px}
  .card{padding:12px;border-radius:13px}
  .slot-part{font-size:13px}
  .bb-stats{gap:10px}
  .bottombar{padding:7px 12px}
  .chip{font-size:10px}
  .toast{bottom:92px}
}

/* ---------- مبدّل العرض ---------- */
.seg{display:inline-flex;background:var(--chip);border-radius:9px;padding:2px;gap:2px;flex:0 0 auto}
.seg-btn{
  min-height:30px;padding:0 10px;border-radius:7px;font-size:11.5px;font-weight:600;
  color:var(--muted);background:transparent;transition:background .15s ease,color .15s ease;
}
.seg-btn:hover{color:var(--ink-2)}
.seg-btn.active{background:var(--card);color:var(--ink);box-shadow:0 1px 0 var(--line)}
.rig-stage{position:relative}

/* ---------- المجسم ثلاثي الأبعاد ---------- */
.rig-wrap.v3d{
  position:relative;
  background:radial-gradient(120% 90% at 72% 8%, #F6F9FD 0%, #DFE6F1 52%, #C6D1E2 100%);
}
#view3dCanvas{display:block;width:100%;height:100%;touch-action:none}
.v3d-top{position:absolute;top:8px;inset-inline-start:8px;display:flex;gap:6px;pointer-events:none;max-width:60%}
.v3d-name{
  font-size:10.5px;font-weight:600;color:var(--ink-2);
  background:rgba(255,255,255,.82);border:1px solid rgba(255,255,255,.95);
  border-radius:999px;padding:3px 9px;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.v3d-done{
  position:absolute;top:8px;inset-inline-end:8px;pointer-events:none;
  font-size:10.5px;font-weight:700;color:#0E6B41;
  background:rgba(225,246,236,.95);border:1px solid #9EDCBC;
  border-radius:999px;padding:3px 9px;white-space:nowrap;
}
.v3d-loading{
  position:absolute;inset:0;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:10px;
  background:rgba(244,247,252,.92);font-size:12px;color:var(--muted);
}
.v3d-fallback{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  padding:20px;text-align:center;font-size:12.5px;line-height:1.7;color:var(--ink-2);
  background:rgba(244,247,252,.97);
}

/* ---------- مصغّرات القطع ---------- */
.opt{gap:10px}
.opt > .opt-main{flex:1 1 auto}
.opt-thumb{
  width:46px;height:46px;flex:0 0 auto;border-radius:9px;overflow:hidden;
  background:#F4F6FA;border:1px solid var(--line);
  display:grid;place-items:center;
}
.opt-thumb img{width:100%;height:100%;object-fit:contain;display:block}
.opt-thumb svg{width:100%;height:100%;display:block}
.opt-thumb.noimg{background:var(--chip)}

@media (max-width:430px){
  .opt-thumb{width:40px;height:40px;border-radius:8px}
  .seg-btn{padding:0 8px;font-size:11px}
}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
}